Home / 413,075,307.60-618,951,612.60-218,733,238.80

Finding the Fourth Proportional to 413,075,307.60, 618,951,612.60 and 218,733,238.80

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Solution

The fourth proportional to 413,075,307.60, 618,951,612.60 and 218,733,238.80 is: 327,749,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,075,307.60 : 618,951,612.60 = 218,733,238.80 : x
  2. Step 2: Convert to fraction form
    413,075,307.60/618,951,612.60 = 218,733,238.80/x
  3. Step 3: Cross multiply
    413,075,307.60x = 618,951,612.60 × 218,733,238.80
  4. Step 4: Simplify right side
    413,075,307.60x = 135,385,290,884,480,896
  5. Step 5: Solve for x
    x = 135,385,290,884,480,896/413,075,307.60
  6. Step 6: Final answer
    x = 327,749,658.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.